IKSTAR Healthcare Seat Cushion & Pillow Non-slip backing Lumbar support cushion, reduces fatigue even after sitting for long periods Uses high-quality urethane for excellent pressure distribution Ergonomic design for excellent comfort. ROHS safety standards compliant! Safe materials that do not contain harmful substances Mesh fabric, breathable, can be used in any season I am selling it because I no longer use it. It's still in good condition, so I think you can still use it!